What color is #643C3B?

#643C3B is a dark, desaturated red, closest to the named color Hot Chocolate. It belongs to the red family of colors.

What is the RGB value of #643C3B?

The RGB value is 100, 60, 59: 100 red, 60 green and 59 blue on a 0 to 255 scale.

What is the complementary color of #643C3B?

The complementary color is #3B6364, found by rotating the hue 180° on the color wheel.

Is black or white text better on #643C3B?

White text. Black text has a contrast ratio of 2.25:1 and white text 9.33:1. WCAG asks for at least 4.5:1 for normal text.

#643C3B color

#643C3B rgb(100, 60, 59)

Shades of red

The hex color #643C3B is a dark, desaturated red.

In the RGB color model it is made of 39.2% red, 23.5% green and 23.1% blue (100, 60, 59).

Its hue angle is 1°, with 26% saturation and 31% lightness. For print, the CMYK equivalent is 0% cyan, 40% magenta, 41% yellow and 61% black.

The closest named color is Hot Chocolate (#683939), a difference of 2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 9.33:1).

#643C3B color codes

HEX	`#643C3B`
RGB	`rgb(100, 60, 59)`
RGB percent	`rgb(39.2%, 23.5%, 23.1%)`
HSL	`hsl(1, 26%, 31%)`
HSV / HSB	`hsv(1, 41%, 39%)`
CMYK	`cmyk(0%, 40%, 41%, 61%)`
CIE LAB	`lab(30.05, 17.48, 8.06)`
CIE LCH	`lch(30.05, 19.25, 24.76)`
CIE XYZ	`xyz(7.661, 6.257, 4.941)`
Decimal	`6569019`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #643C3B, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #643C3B	Ratio	AA	AAA	AA large
Sample text	2.25:1	Fail	Fail	Fail
Sample text	9.33:1	Pass	Pass	Pass

#643C3B as text on	Ratio	AA	AAA	AA large
Sample text	9.33:1	Pass	Pass	Pass
Sample text	2.25:1	Fail	Fail	Fail

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #643C3B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #643c3b; }
.text { color: #643c3b; }
.border { border: 2px solid #643c3b; }
.transparent { background-color: rgb(100 60 59 / 50%); }
.gradient { background: linear-gradient(to right, #643c3b, #64503b); }

Background

Text color

Border

Similar colors

Closest common color name: Espresso.

Questions

What color is #643C3B?: #643C3B is a dark, desaturated red, closest to the named color Hot Chocolate. It belongs to the red family of colors.
What is the RGB value of #643C3B?: The RGB value is 100, 60, 59: 100 red, 60 green and 59 blue on a 0 to 255 scale.
What is the complementary color of #643C3B?: The complementary color is #3B6364, found by rotating the hue 180° on the color wheel.
Is black or white text better on #643C3B?: White text. Black text has a contrast ratio of 2.25:1 and white text 9.33:1. WCAG asks for at least 4.5:1 for normal text.